fix: update shelljs to 0.8.5

[jcesarmobile]

Update the shelljs dependency to 0.8.5 as previous versions are vulnerable

There is a behavior change in shelljs that requires the project_path to exist before doing the first recursive copy or if not it will copy the content of the cordova directory instead of creating a cordova directory with all the content as 0.5.3 did. That's why there is one line addition.

closes #105
closes #108

[codecov-commenter]

Codecov Report

Merging #115 (4805d13) into master (2218451) will increase coverage by 0.20%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #115      +/-   ##
==========================================
+ Coverage   93.54%   93.75%   +0.20%     
==========================================
  Files           2        2              
  Lines          31       32       +1     
==========================================
+ Hits           29       30       +1     
  Misses          2        2              

Impacted Files	Coverage Δ
bin/lib/create.js	93.33% <100.00%> (+0.22%)	⬆️

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